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@ 2018-03-06T14:53:22Z

<?php

$theValue = 10000;// the max
$bottom = 1;
$pi = 0;
   for ($i = 1; $i<$theValue; $i++){
   if ($i % 2 == 1){
       $pi += 4 / $bottom;
	}
	else {
		$pi -= 4 / $bottom;
	}
	$bottom += 2;
}
var_dump($pi);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

31.72 ms | 404 KiB | 5 Q